Persist null values in numeric input #411
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Numeric input was calling setProps with undefined when input value was not valid, which in Dash should be reserved for uninitialised props and so was not being persisted. We return null instead, which still gets interpreted as None in Python, but ensures that that value is persisted.
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Numeric input was calling
setPropswithundefinedwhen input value was not valid, which in Dash should be reserved for uninitialised props and so was not being persisted. Returningnullinstead, which still gets interpreted asNonein Python, but ensures that that value is persisted.Reported in #283